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发明名称
扬声器(2)
摘要
申请公布号
CN300798088D
申请公布日期
2008.07.02
申请号
CN200730144904.2
申请日期
2007.04.23
申请人
电智豆有限公司
发明人
曾爌炽
分类号
14-01
主分类号
14-01
代理机构
北京申翔知识产权代理有限公司
代理人
周春发
主权项
地址
中国香港黄竹坑道27号甄沾记大厦21楼A室
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